RFC 3229. Client and Server Error Overview Client errors, or HTTP status codes from 400 to 499, are the result of HTTP requests sent by a user client (i.e. Here's How to Fix It Article A Complete List of HTTP Status Lines Article What Exactly is a URL? Responses are grouped in five classes: informational responses, successful responses, redirects, client errors, and servers errors.

Http Status Code 400

Retrieved January 8, 2015. ^ "401". The server MUST send an Upgrade header field in a 426 response to indicate the required protocol(s) (Section 6.7 of [RFC7230]). 428 Precondition Required The origin server requires the request to be conditional. IETF. By using this site, you agree to the Terms of Use and Privacy Policy.

Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0). HTTP Working Group. ^ "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content, Section 6.4.7 307 Temporary Redirect". Wikipedia The server either does not recognise the request method, or it lacks the ability to fulfill the request. 502 Bad Gateway The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request. Http Code 302 Use of this response code is not required and is only appropriate when the response would otherwise be 200 (OK).

The recipient is expected to repeat this single request via the proxy. 305 responses MUST only be generated by origin servers. The client MAY repeat the request without modifications at any later time. 10.4.10 409 Conflict The request could not be completed due to a conflict with the current state of the resource. Internet Engineering Task Force. https://en.wikipedia.org/wiki/List_of_HTTP_status_codes Retrieved October 24, 2009. ^ "200 OK".

If the 302 status code is received in response to a request other than GET or HEAD, the user agent MUST NOT automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which the request was issued. Http 422 This class of status code indicates that further action needs to be taken by the user agent in order to fulfil the request. Retrieved 2016-01-09. ^ "Troubleshooting: Error Pages". Retrieved 16 October 2015. ^ "407".

Http Status Codes Cheat Sheet

Clients such as search engines should remove the resource from their indices. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status Often the result of too much data being encoded as a query-string of a GET request, in which case it should be converted to a POST request.[45] Called "Request-URI Too Long" previously.[46] 415 Unsupported Media Type The request entity has a media type which the server or resource does not support. Http Status Code 400 GitHub. Http Response Example Depending upon the format and the capabilities of the user agent, selection of the most appropriate choice MAY be performed automatically.

Upon receiving a 410 status code, the client should not request the resource in the future. check over here Hypertext Transfer Protocol -- HTTP/1.1. January 2002. The protocol SHOULD be switched only when it is advantageous to do so. Http Code 403

Wenn Sie in letzter Zeit Konfigurationen im Problem-Browser geändert haben, versuchen Sie die Änderung rückgängig zu machen, um zu sehen, ob dies hilft. This response MUST NOT use the multipart/byteranges content- type. 10.4.18 417 Expectation Failed The expectation given in an Expect request-header field (see section 14.20) could not be met by this server, or, if the server is a proxy, the server has unambiguous evidence that the request could not be met by the next-hop server. 10.5 Server Error 5xx Response status codes beginning with the digit "5" indicate cases in which the server is aware that it has erred or is incapable of performing the request. Retrieved 16 October 2015. ^ a b c d e Dusseault, Lisa, ed. (June 2007). his comment is here Many of these status codes are used in URL redirection.[2] A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.

RFC 2616. Http 404 Servers are not required to use the 431 status code; when under attack, it may be more appropriate to just drop connections, or take other steps. Server errors, or HTTP status codes from 500 to 599, are returned by a web server when it is aware that an error has occurred or is otherwise not able to process the request.

Note: previous versions of this specification recommended a maximum of five redirections.

If the server does not wish to make this information available to the client, the status code 404 (Not Found) can be used instead. Not present in HTTP/1.0: available since HTTP/1.1 204 No Content The server has fulfilled the request but does not need to return an entity-body, and might want to return updated metainformation. httpstatus. Http 400 RFC 2324.

Wikipedia The origin server requires the request to be conditional. If a 304 response indicates an entity not currently cached, then the cache MUST disregard the response and repeat the request without the conditional. Unless the request method was HEAD, the entity of the response SHOULD contain a short hypertext note with a hyperlink to the new URI(s). weblink Dieser Datenstrom enthält Statuscodes, deren Werte durch das HTTP-Protokoll bestimmt werden.

Log In Sign Up Report a Bug Use this form to report bugs related to the Community Report a bug: Upon receiving a 410 status code, the client should not request the resource again in the future. Likewise, user agents should display any included entity to the user. Retrieved January 20, 2014. ^ "Screenshot of error page" (bmp).

Does the user that owns the web server worker process have privileges to traverse to the directory that the requested file is in? (Hint: directories require read and execute permissions to be accessed) Is the resource being accessed a symbolic link? When a server is under attack or just receiving a very large number of requests from a single party, responding to each with a 429 status code will consume resources. The client MAY repeat the request with a suitable Authorization header field (section 14.8). IETF.

Retrieved June 12, 2014. ^ "Reference of method redirect_to in Ruby Web Framework "Ruby on Rails". Since HTTP/1.0 did not define any 1xx status codes, servers must not[note 1] send a 1xx response to an HTTP/1.0 client except under experimental conditions.[4] 100 Continue The server has received the request headers and the client should proceed to send the request body (in the case of a request for which a body needs to be sent; for example, a POST request). Wikipedia The resource that is being accessed is locked. 424 Failed Dependency (WebDAV) The 424 (Failed Dependency) status code means that the method could not be performed on the resource because the requested action depended on another action and that action failed. If the response is the result of an If-Range request that used a weak validator, the response MUST NOT include other entity-headers; this prevents inconsistencies between cached entity-bodies and updated headers.

It is not necessary to mark all permanently unavailable resources as "gone" or to keep the mark for any length of time -- that is left to the discretion of the server owner. 10.4.12 411 Length Required The server refuses to accept the request without a defined Content- Length. The response representation SHOULD contain a link to a resource that allows the user to submit credentials (e.g. Retrieved February 25, 2011. ^ "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content". Tools.ietf.org.

To give an example of troubleshooting a 403 error, assume the following situation: The user is trying to access the web server's index file, from http://example.com/index.html The web server worker process is owned by the www-data user On the server, the index file is located at /usr/share/nginx/html/index.html If the user is getting a 403 Forbidden error, ensure that the www-data user has sufficient permissions to read the file. Retrieved April 1, 2009. ^ "10 Status Code Definitions". The 202 response is intentionally non-committal. However, this specification does not define any standard for such automatic selection.